利用核磁共振资料定量评价页岩孔隙结构
孟昆,王胜建,薛宗安,侯瑞卿,肖亮

Quantitative Evaluation of Shale Pore Structure Using Nuclear Magnetic Resonance Data
Kun MENG,Sheng-jian WANG,Zong-an XUE,Rui-qing HOU,Liang XIAO
表1 20块页岩岩心样品的NMR孔隙度、T50、孔隙比例和T2谱的多重分形参数
Table 1 Basic parameters of the 20 shale cores and multifractal parameters of their T2 spectra
编号岩性Φ-nmr/%T50/ms微孔/%中孔/%宏孔/%Dmin*Dmax*D-1*D1*Δα*Dmin-Dmax*
1#黑色碳质页岩2.020.5980.37648.68150.9421.2360.2931.0970.7621.0260.943
2#黑色碳质页岩1.190.6040.63848.50650.8561.1670.3781.0720.8380.8540.789
3#黑色碳质页岩0.860.2571.02665.73533.2391.2310.2271.1110.6691.0711.004
4#黑色碳质页岩2.190.5420.33851.06748.5951.2350.3131.1000.7651.0060.923
5#黑色碳质页岩2.080.7690.36744.56755.0651.1990.4571.0660.8730.8540.742
6#黑色碳质页岩1.110.3270.58561.89137.5241.2380.2291.1150.6791.0761.009
7#黑色碳质页岩1.070.3780.63658.55040.8141.2310.3121.0950.7770.9990.919
8#黑色碳质页岩1.990.3070.72362.88436.3931.2320.2661.1060.7241.0360.965
9#黑色碳质页岩1.690.4210.25257.06542.6841.2460.2621.1120.7091.0530.984
10#灰黑色白云质页岩1.870.1152.34870.62927.0231.3200.2751.1260.7191.1361.046
11#灰黑色白云质页岩2.560.3601.10557.66241.2331.2200.2881.0900.7571.0240.931
12#灰黑色白云质页岩2.150.3440.71359.89339.3941.2260.3081.1010.7590.9980.919
13#灰黑色白云质页岩1.690.1510.88485.16813.9481.3700.2241.1680.6031.2351.146
14#灰黑色白云质页岩1.280.1411.65880.52117.8201.3280.2381.1400.6621.1771.090
15#灰黑色白云质页岩2.100.2530.83566.57032.5951.2360.2701.1090.7211.0310.966
16#灰黑色白云质页岩1.100.1671.43669.71728.8461.3100.2321.1180.6751.1881.078
17#灰黑色白云质页岩0.890.1831.33359.50339.1651.3240.2531.1220.7031.1801.071
18#灰黑色白云质页岩3.170.1021.96087.00211.0371.3640.2171.1710.6071.2281.147
19#灰黑色白云质页岩1.750.2100.58974.23425.1771.3370.2641.1360.6951.1691.073
20#灰黑色白云质页岩2.550.1490.94579.07419.9811.3590.2601.1480.6821.2001.100